Alchemist
Alchemist is a WordPress theme by Catch Themes (Free). Tested on 2026-09-13 with Google Lighthouse via PageSpeed Insights on its own demo store, it scores 73 for mobile speed and 97 for desktop speed, 50/50 for SEO and 91/86 for accessibility (mobile/desktop, 0–100). On its marketplace it is rated 5.0 out of 5 from 2 reviews.
Mobile73
Desktop97
Scores
| Mobile | Desktop | |
|---|---|---|
| Speed | 73 | 97 |
| SEO | 50 | 50 |
| Accessibility | 91 | 86 |
| Best practices | 100 | 100 |
Single preset · measured 2 times since 2026-09-13 · Lighthouse via PageSpeed Insights · 0–100, 90+ is good.
Why not 100 — Alchemist home page
Mobile
Speed 73 · 27 points to gain
- −22 Largest Contentful Paint medium effort
- −4.6 First Contentful Paint medium effort
- −0.5 Speed Index medium effort
- 150 ms Reduce unused CSS high effort
SEO 50 · 50 points to gain
- −40.3 Page is blocked from indexing low effort
- −10 Document does not have a meta description low effort
Accessibility 91 · 9 points to gain
- −4.4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4.4 Links rely on color to be distinguishable. medium effort
Desktop
Speed 97 · 3 points to gain
- −2.7 Largest Contentful Paint medium effort
SEO 50 · 50 points to gain
- −40.3 Page is blocked from indexing low effort
- −10 Document does not have a meta description low effort
Accessibility 86 · 14 points to gain
- −5.7 Buttons do not have an accessible name medium effort
- −4 Background and foreground colors do not have a sufficient contrast ratio. medium effort
- −4 Links rely on color to be distinguishable. medium effort
Presets and pages
| Preset / page | Speed | SEO | A11y | Speed | SEO | A11y | Tested |
|---|---|---|---|---|---|---|---|
| mobile | desktop | ||||||
| Alchemist default demo ↗ | 73 | 50 | 91 | 97 | 50 | 86 | 2026-09-13 |
| home ↗ | 73 | 50 | 91 | 97 | 50 | 86 | 2026-09-13 |
Show this score on your site
A live badge: it always shows Alchemist's current score and links back here. Paste this where the theme is sold or documented.
<a href="https://themestested.com/theme/wordpress/alchemist"><img src="https://themestested.com/badge/wordpress/alchemist.svg" alt="Alchemist speed score on Themestested" height="20"></a>
Add ?device=d for the desktop score, or ?metric=seo / ?metric=a11y for SEO or accessibility.